B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

12%

12% -- bounce rate reduction for websites with well-calibrated CSS animations (2026)

Name: Bounce Rate Reduction Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-15

2026 · Propuls’Lead

A well-calibrated CSS animation reduces the bounce rate by 12% to 18%.

Represents the lower bound of a reported range (12% to 18%)

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Attribution: Propuls’Lead View source

Lighthouse Research Team

Last verified: 2026-08-15 · How we verify data →

Source verified Evidence graded

Value

12%

Unit

Percentage

Data Vintage

2026

Entity

websites with well-calibrated CSS animations

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Propuls’Lead Primary Tier B

https://propulslead.com/post/design-animation-css-effets-subtils-modernisent-site/ ↗

Confidence: 28/100 Vintage: 2026 Channel: Deep Crawl

Source Article

Design et animation CSS : les effets subtils qui modernisent un site sans le surcharger

Les animations CSS ne sont plus un gadget visuel, mais un levier d’expérience utilisateur mesurable. Selon les benchmarks de Google et les retours terrain de plus de cinq cents sites accompagnés par Propuls’Lead depuis quinze ans, une animation bien calibrée réduit le taux de rebond de 12 à 18 % et …

Original Research

Propuls’Lead · Original study ↗

Methodology

Based on benchmarks by Google and field data from over five hundred sites accompanied by Propuls’Lead over fifteen years.

Segmentation

IndustryMedia RoleAll marketers Channelmulti-channel

Cite this stat

Plain Text

websites with well-calibrated CSS animations: 12% bounce rate reduction. Source: Propuls’Lead (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/css-animation-benchmark-reduction-bounce-rate

HTML Embed

<blockquote cite="https://lighthousedata.io/data/css-animation-benchmark-reduction-bounce-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12%</strong> -- bounce rate reduction for websites with well-calibrated CSS animations<br><small>Source: Propuls’Lead (2026) · <a href="https://lighthousedata.io/data/css-animation-benchmark-reduction-bounce-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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